Analysis
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max time kernel
150s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:14
Static task
static1
Behavioral task
behavioral1
Sample
cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe
Resource
win10v2004-20240426-en
General
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Target
cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe
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Size
4.1MB
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MD5
02cb382b7e40679cb1d7ae3d86d66531
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SHA1
e60e80017ad72a6f7f868e1ef7d7f9ac2cdd06bb
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SHA256
cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2
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SHA512
8f7dc00fc26a31ec39cb9aaca546941f2395d3ce76716761c8e222ee4c14d7accedfa03b88ef9157401a5bf9cd9ad188aa031b285dbd2080e62ddfb6d4ea6b74
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SSDEEP
98304:yoJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/i1:ygrNPOj9FQvccBDkmyddxD3VFi1
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3808-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/3808-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3808-23-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3808-53-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral2/memory/3808-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3808-54-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2056-65-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2056-128-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-131-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-204-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-215-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-221-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-227-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4720-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2888 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4720 csrss.exe 2900 injector.exe 2608 windefender.exe 3300 windefender.exe -
resource yara_rule behavioral2/files/0x001900000002ab5a-207.dat upx behavioral2/memory/2608-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2608-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3300-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3300-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3300-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe File created C:\Windows\rss\csrss.exe cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3268 sc.exe -
pid Process 2780 powershell.exe 3596 powershell.exe 1212 powershell.exe 4716 powershell.exe 3696 powershell.exe 2444 powershell.exe 2560 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3940 schtasks.exe 2636 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2560 powershell.exe 2560 powershell.exe 3808 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 3808 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2780 powershell.exe 2780 powershell.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 3596 powershell.exe 3596 powershell.exe 1212 powershell.exe 1212 powershell.exe 4716 powershell.exe 4716 powershell.exe 3696 powershell.exe 3696 powershell.exe 2444 powershell.exe 2444 powershell.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 4720 csrss.exe 4720 csrss.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 4720 csrss.exe 4720 csrss.exe 2900 injector.exe 2900 injector.exe 4720 csrss.exe 4720 csrss.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe 2900 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 3808 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Token: SeImpersonatePrivilege 3808 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe Token: SeDebugPrivilege 2780 powershell.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 1212 powershell.exe Token: SeDebugPrivilege 4716 powershell.exe Token: SeDebugPrivilege 3696 powershell.exe Token: SeDebugPrivilege 2444 powershell.exe Token: SeSystemEnvironmentPrivilege 4720 csrss.exe Token: SeSecurityPrivilege 3268 sc.exe Token: SeSecurityPrivilege 3268 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3808 wrote to memory of 2560 3808 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 82 PID 3808 wrote to memory of 2560 3808 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 82 PID 3808 wrote to memory of 2560 3808 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 82 PID 2056 wrote to memory of 2780 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 87 PID 2056 wrote to memory of 2780 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 87 PID 2056 wrote to memory of 2780 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 87 PID 2056 wrote to memory of 4516 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 89 PID 2056 wrote to memory of 4516 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 89 PID 4516 wrote to memory of 2888 4516 cmd.exe 91 PID 4516 wrote to memory of 2888 4516 cmd.exe 91 PID 2056 wrote to memory of 3596 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 92 PID 2056 wrote to memory of 3596 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 92 PID 2056 wrote to memory of 3596 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 92 PID 2056 wrote to memory of 1212 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 94 PID 2056 wrote to memory of 1212 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 94 PID 2056 wrote to memory of 1212 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 94 PID 2056 wrote to memory of 4720 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 96 PID 2056 wrote to memory of 4720 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 96 PID 2056 wrote to memory of 4720 2056 cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe 96 PID 4720 wrote to memory of 4716 4720 csrss.exe 97 PID 4720 wrote to memory of 4716 4720 csrss.exe 97 PID 4720 wrote to memory of 4716 4720 csrss.exe 97 PID 4720 wrote to memory of 3696 4720 csrss.exe 102 PID 4720 wrote to memory of 3696 4720 csrss.exe 102 PID 4720 wrote to memory of 3696 4720 csrss.exe 102 PID 4720 wrote to memory of 2444 4720 csrss.exe 105 PID 4720 wrote to memory of 2444 4720 csrss.exe 105 PID 4720 wrote to memory of 2444 4720 csrss.exe 105 PID 4720 wrote to memory of 2900 4720 csrss.exe 107 PID 4720 wrote to memory of 2900 4720 csrss.exe 107 PID 2608 wrote to memory of 4916 2608 windefender.exe 113 PID 2608 wrote to memory of 4916 2608 windefender.exe 113 PID 2608 wrote to memory of 4916 2608 windefender.exe 113 PID 4916 wrote to memory of 3268 4916 cmd.exe 114 PID 4916 wrote to memory of 3268 4916 cmd.exe 114 PID 4916 wrote to memory of 3268 4916 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe"C:\Users\Admin\AppData\Local\Temp\cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3808 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2560
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C:\Users\Admin\AppData\Local\Temp\cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe"C:\Users\Admin\AppData\Local\Temp\cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2780
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:2888
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3596
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1212
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4720 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4716
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3940
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4880
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3696
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2444
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2900
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2636
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4916 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3268
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3300
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9f568bd933cf90d06586b134b93fbbd
SHA1518666da74d2cb77e4f562facca44a0bbdbad712
SHA256b4d5c4f5f8d7d258cac76c34e32e7aa080fbe40641a9445751fa29540e4bd500
SHA5124a32727c1be7e85fe449fdef7a6fba5ccde0636331848f089b64825e44e0d87bbad980d2963ea080660710536abff2eeb25417914907b0256bbc74d87193a194
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afb094c2745b25a9e7e7083fa35c5729
SHA18e1fe8e768f3106283d67938e1d765e231c03933
SHA2562efd0409359dde5bb071bd2ec2151b14408a1ee3ed06c88cfe80541165d8d915
SHA51274418302edd19e80da84fb8c6ef46799b36ee8882621cf6d116521978c316f73f07192b8a148d5f5d1f9ae6724fd0c405cdf3b9ea0cefadf0ba1d6dae1fef652
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ba5b54919ea82881c4fddd05c2b345b
SHA1020176b965d39024c5a7bf02eb4c4b5e30ae25e6
SHA256083c21d00a5d36c4cb0386f3e7b8068ee1df7f3441febce9582580cf9835c964
SHA5124dd9eb6233aeb7e1dbc066384432c4efaeaa49102154ceb69b4e494a54acdb28237739ce3b668642bc16e122f7a388d395999b53c51f788fb20ed6753669f887
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59adc3a671ba9819298ae84ac14c590bb
SHA1a140affc3425cadac8f31a3c5e63ab9f58c75289
SHA256fee6238984ce869e561976e162f9c6ba294c62585682d6678da7404ed6545e6f
SHA5121291c3709d4d44f60c0e7896acb299ea7ed13404bd2826ca8cf29bbe05f28d25410de7fe066b953175b42cf4ad22256cddf223c0fa943f196a4f60c66891d757
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dfe90c2b439f7a35399449ddd1ab59f5
SHA1394537efb6a6306e978a52e99f295eb86f785708
SHA25639092b5c9ec8e761e8f5864e22ae4f1a75caec35d3365120133a432bba8a43cc
SHA5126607d208e804fbde7a875faa258fa0b2f86e0c970e0521904a2e45dbc23e86439b6c41f9bbc90c59fcee9928bb46aa263d0f6405362464819662312c6ce4c80d
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Filesize
4.1MB
MD502cb382b7e40679cb1d7ae3d86d66531
SHA1e60e80017ad72a6f7f868e1ef7d7f9ac2cdd06bb
SHA256cfbf8d28d787d1cd7aed0ee0b9e447578aaf64447aa6bfb5a5ae1b0a968a86e2
SHA5128f7dc00fc26a31ec39cb9aaca546941f2395d3ce76716761c8e222ee4c14d7accedfa03b88ef9157401a5bf9cd9ad188aa031b285dbd2080e62ddfb6d4ea6b74
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec